Bridge conditions in Woodford County, Illinois
224 inventoried bridges · 22 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 224 bridges in Woodford County: 63 rated good, 139 fair, and 22 poor.
- 22 of the 224 bridges in Woodford County, Illinois, are rated in poor condition (9.8%) in the 2025 National Bridge Inventory, as of .
- 63 bridges (28.1%) are rated good and 139 (62.1%) fair.
- The median Woodford County bridge was built in 1989.
- The busiest poor-rated bridge is WB I-74 over Mackinaw River (built 1964), carrying about 14,200 vehicles a day.
Good 28.1% · Fair 62.1% · Poor 9.8% of 224 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| WB I-74 over Mackinaw River | 1964 | 14,200 | Poor |
| EB I-74 over Mackinaw River | 1964 | 14,200 | Poor |
| US 150 Fas 2466 over Mackinaw River | 1985 | 2,550 | Poor |
| US 150 over I-74 | 1964 | 1,800 | Poor |
| Fas 364 Ch 13 over Wbr Panther Creek | 1981 | 1,200 | Poor |
| Fas 357 CH2 over Crow Creek | 1986 | 625 | Poor |
| Tr 4 over Blue Creek | 1987 | 425 | Poor |
| Fas 359 Ch 4 over Panther Creek | 1980 | 400 | Poor |
| TR.118 over Walnut CR | 1974 | 350 | Poor |
| Fas 360 over Rock Creek | 2001 | 350 | Poor |
| Fas 1358 Ch 6 over E Br Panther Creek | 1983 | 300 | Poor |
| Fas 366 Ch 12 over Richland CR | 1991 | 300 | Poor |
| Tr-66 over E-branch Partridge | 1995 | 275 | Poor |
| Ch 3 over Walnut Creek | 1991 | 250 | Poor |
| Tr 207 over Panther Creek | 1977 | 200 | Poor |
| Tr 174 over W Br Panther Creek | 1981 | 200 | Poor |
| Tr 177 over Br Walnut CR | 1925 | 125 | Poor |
| TR.186 over Panther Creek | 1976 | 100 | Poor |
| TR.80 over Mud Creek | 1977 | 75 | Poor |
| TR.223B over Red River | 1971 | 75 | Poor |
| Tr 85 over Partridge Creek | 1987 | 50 | Poor |
| Tr 85 over Partridge Crk | 1997 | 50 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-74 over Rock Creek Tributary | 1965 | 28,400 | Fair |
| I 39/US 51 over Unnamed Stream | 1992 | 18,700 | Fair |
| I 39/US 51 over Unnamed Stream | 1992 | 18,700 | Fair |
| I 39/US 51 over Unnamed Stream | 1992 | 18,700 | Fair |
| I 39/US 51 over E Branch Panther Ck | 1992 | 16,200 | Fair |
| WB I-74 over Mackinaw River | 1964 | 14,200 | Poor |
| EB I-74 over Mackinaw River | 1964 | 14,200 | Poor |
| EB I-74 over Congerville Road | 1964 | 14,200 | Fair |
| WB I-74 over Congerville Road | 1964 | 14,200 | Fair |
| I-39 US 51 SB over US 24 & Tp&w RR | 1989 | 9,350 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Illinois: Illinois bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.